Crown Gravity Helix Helmet

Abstract

The Crown Gravity Helix is a helmet that protects hair that defies gravity, such as hair types 3 and 4, which are kinky, curly, coily, and big hair, while also protecting your head while biking. The helmet is designed to allow the use of type 3 and 4 hair, which is hair that is afro-textured, kinky, that does not lay flat, is not straight, that wear ponytails or similar big hairstyles and hair in ponytails while in use, thus maintaining safety without creating unnecessary discomfort. It is the type that protects the head of a user, with a front and a rear part, and comprises a vertical slot in the rear part up to the border between the occipital bone and the parietal bone. The slot has in its opening a practicable, stiffening, security closure. The contour of the groove will preferably have a reinforcement to absorb the behavior modification.

What is claimed is: 
     
         1 . A sport helmet comprising:
 an opening on the top of the helmet expandable and retractable hair;   a band around outer rim of the opening made of silk and for hair protection from the impact;   a liner attached to the bottom of the helmet.   
     
     
         2 . The sport helmet of  claim 1 , further comprising:
 an outer shell protecting from the several impact on the head.   
     
     
         3 . The sport helmet of  claim 1 , wherein the liner is a silk hair protecting liner. 
     
     
         4 . The sport helmet of  claim 1 , further comprising:
 a helmet strap attached to the bottom of the liner.   
     
     
         5 . The sport helmet of  claim 3 , wherein the silk hair protecting liner comprising several layers is attached to the bottom of the helmet.